Hql - PowerPoint PPT Presentation

Hive 101: Hive Query Language

Hive 101: Hive Query Language. 2014-08-21. Jeff Clouse. Agenda. What is Hive HUE HQL Select Operators Functions Joins Sub Queries Union Hive best practices. What is Hive. High level implementation of MapReduce Language is Hive Query Language - HQL

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746 views • 18 slides

Criteria

Criteria. Når og hvorfor bruke Criteria i Hibernate. Hva er Criteria. Et alternativ til HQL Representerer en spørring mot en enkelt, persistent klasse Innsnevring av søket ved å legge til restriksjoner (Restrictions). Hvorfor Criteria?. Gi renere Java-kode ved et avansert søk

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436 views • 11 slides

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